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5 Ways to Keep the “Billion-Dollar Bug” from Stealing Corn Yields

By Noah Newman posted on May 14, 2025 | Posted in Soil Health

“When you approach the rootworm as just a problem that has to be solved, you’re not taking into account the animal’s biology,” Ann Marie Journey says. “You’re hitting it just at certain points or with certain methods or controls, and you’re not allowing yourself in effect to have a conversation to gain insight back from the rootworms about what it is that makes them successful in any given place."

Cover Crops Can Help Battle Rootworm

September 25, 2020 | Posted in Seeding Practices

Source: Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA)

The best management practice to reduce the resistant rootworm population is to rotate out of corn for at least one year. If that field is rotated to a non-host crop (e.g. alfalfa, rye, triticale, sorghum-sudangrass) in the following year, the larvae will die after hatching, and the population will be eliminated.

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